328508628894 has 12 divisors (see below), whose sum is σ = 711768695976. Its totient is φ = 109502876292.

The previous prime is 328508628883. The next prime is 328508628907. The reversal of 328508628894 is 498826805823.

328508628894 is a `hidden beast` number, since 3 + 28 + 508 + 6 + 28 + 89 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9125239674 + ... + 9125239709.

It is an arithmetic number, because the mean of its divisors is an integer number (59314057998).

Almost surely, 2^328508628894 is an apocalyptic number.

328508628894 is an abundant number, since it is smaller than the sum of its proper divisors (383260067082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328508628894 is a wasteful number, since it uses less digits than its factorization.

328508628894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18250479391 (or 18250479388 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 328508628894 in words is "three hundred twenty-eight billion, five hundred eight million, six hundred twenty-eight thousand, eight hundred ninety-four".